from django.http import JsonResponse
from django.shortcuts import render, redirect, HttpResponse
from django.urls import reverse
from django.views.decorators.csrf import csrf_exempt
from web import models
from web.forms.wiki import WikiModelForm, WikiModelForm1

from utils.encrypt import uid
from utils.tencent.cos import upload_file


def wiki(request, project_id):
    """Wiki首页"""
    wiki_id = request.GET.get('wiki_id')
    if not wiki_id or not wiki_id.isdecimal():
        return render(request, 'wiki.html')
    wiki_object = models.Wiki.objects.filter(id=wiki_id).first()
    return render(request, 'wiki.html', {'wiki_object': wiki_object})


def wiki_add(request, project_id):
    """Wiki添加"""
    if request.method == 'GET':
        form = WikiModelForm1(request, wiki_id=None)
        return render(request, 'wiki_add.html', {'form': form})
    form = WikiModelForm1(request, data=request.POST, wiki_id=None)
    if form.is_valid():
        # 判断用户是否已经选择夫文章
        if form.instance.parent:
            form.instance.depth = form.instance.parent.depth + 1
        else:
            form.instance.depth = 1
        form.instance.project = request.tracer.project  # 因为在添加项目时没有写这个，所以在这里给它加上
        form.save()
        url = reverse('wiki', kwargs={'project_id': project_id})  # 反向解析路由地址
        return redirect(url)
    return render(request, 'wiki_add.html', {'form': form})


def wiki_catalog(request, project_id):
    """ wiki目录 """

    # 获取当前项目所有的目录: data = QuerySet类型
    # data = models.Wiki.objects.filter(project=request.tracer.project).values_list("id", 'title', 'parent_id')
    data = models.Wiki.objects.filter(project=request.tracer.project).values("id", 'title', 'parent_id').order_by(
        'depth', 'id')
    # data = models.Wiki.objects.filter(project=request.tracer.project).values("id", 'title', 'parent_id')
    return JsonResponse({'status': True, 'data': list(data)})


def wiki_delete(request, project_id, wiki_id):
    """删除文章"""
    models.Wiki.objects.filter(project_id=project_id, id=wiki_id).delete()
    url = reverse('wiki', kwargs={'project_id': project_id})  # 反向解析路由地址
    return redirect(url)


def wiki_edit(request, project_id, wiki_id):
    """编辑文章"""
    wiki_object = models.Wiki.objects.filter(project_id=project_id, id=wiki_id).first()
    if not wiki_object:
        url = reverse('wiki', kwargs={'project_id': project_id})  # 反向解析路由地址
        return redirect(url)
    if request.method == "GET":
        form = WikiModelForm(request, wiki_id, instance=wiki_object)
        return render(request, 'wiki_add.html', {'form': form})
    form = WikiModelForm(request, wiki_id, data=request.POST, instance=wiki_object)
    if form.is_valid():
        if form.instance.parent:
            form.instance.depth = form.instance.parent.depth + 1
        else:
            form.instance.depth = 1
        form.save()
        url = reverse('wiki', kwargs={'project_id': project_id})  # 反向解析路由地址
        preview_url = "{0}?wiki_id={1}".format(url, wiki_id)
        return redirect(preview_url)
    return render(request, 'wiki_add.html', {'form': form})


@csrf_exempt
def wiki_upload(request, project_id):
    """ markdown插件上传图片 """
    print("我来了")
    result = {
        'success': 0,
        'message': None,
        'url': None
    }

    image_object = request.FILES.get('editormd-image-file')
    if not image_object:
        result['message'] = "文件不存在"
        return JsonResponse(result)

    ext = image_object.name.rsplit('.')[-1]
    key = "{}.{}".format(uid(request.tracer.user.mobile_phone), ext)
    image_url = upload_file(
        request.tracer.project.bucket,
        request.tracer.project.region,
        image_object,
        key
    )
    result['success'] = 1
    result['url'] = image_url
    return JsonResponse(result)
